Study of counterfeiting needs to know the methods using in the counterfeiting. Here we are working to compare between original and counterfeit currency and find difference between them, the study takes the Iraqi currency as an example or element to make testing. with applications on many parameters in Iraqi currency design such as type of paper and ink using in printing and the saturation degree of the color in each one of them.

It’s very important to remember the penalty in Iraqi law against the counterfeiting and explain that penalties to show the effects on the persons whom working in this field.

The study needs to know the specifications and categories of Iraqi currency for each original and counterfeit to make comparison clear.The investigation system depend on image segmentation; the best way to discovering counterfeit currency is know the value of color to represent a counterfeit of a currency.

Wikipedia, the free encyclopedia,(2012),Overview of the counterfeiting.

Article available at http://ar.wikipedia.org/wiki/counterfeiting.

Tigris Center for Security Research and Defense in Iraq, Methods of counterfeiting . Article available at http://www.dijlacenter.com.

Coins and stamps forum Arab, Steps to detect counterfeit paper currency.

Article available at http://www.coins4arab.com .

Alasdair McAndrew, An Introduction to Digital Image Processing with Matlab, Notes for SCM2511 Image Processing 1 Semester 1, 2004.

Wikibooks, the free encyclopedia,(2012),Color Models: RGB, HSV, HSL.

Article available at http://en.wikibooks.org.